
import time

from datetime import datetime, timedelta

from flask import render_template, request, current_app, session, g, redirect, url_for, jsonify
from info import constants, db

from info.models import User, News, Category
from info.modules.admin import admin_blu
from info.utils.common import user_login_data
from info.utils.image_storage import storage
from info.utils.response_code import RET


@admin_blu.route("/login",methods=["GET","POST"])
def admin_login():
    if request.method=="GET":
        user_id = session.get("user_id",None)
        is_admin = session.get("is_admin",False)

        #如果用户id存在，并且是管理员，那么直接跳转到管理后台主页
        if user_id and is_admin:
            return render_template("admin/login.html")

    #取到登录的参数
    username= request.form.get("username")
    password = request.form.get("password")
    if not all([username,password]):
        return render_template("admin/login.html",errmsg = "参数不足")

    try: user= User.query.filter(User.mobile ==username).first()
    except Exception as e:
        current_app.logger.error(e)
        return render_template("admin/login.html",errmsg="数据查询失败")

    if not user:
        return render_template("admin/login.html",errmsg="用户不存在")

    if not user.check_passowrd(password):
        return render_template("admin/login.html",errmsg="密码错误")

    if not user.is_admin:
        render_template("admin/login.html",errmsg="用户权限错误")

    session["user_id"] = user.id
    session["nick_name"] = user.nick_name
    session["mobile"] = user.mobile
    session["is_admin"] = True

    return redirect(url_for('admin.admin_index'))

@admin_blu.route("/index")
@user_login_data
def admin_index():
    user = g.user
    return render_template('admin/index.html',user =user.to_dict())

@admin_blu.route("/user_count")
def user_count():
    #查询总人数
    total_count = 0
    try:
        total_count = User.query.filter(User.is_admin ==False).count()
    except Exception as e:
        current_app.logger.error(e)

    #查询月新增数
    mon_count = 0
    now = time.localtime()
    try:

        mon_begin = "%d-%02d-01" %(now.tm_year,now.tm_mon)
        mon_begin_date = datetime.strptime(mon_begin,"%Y-%m-%d")
        mon_count = User.query.filter(User.is_admin ==False,User.create_time >= mon_begin_date).count()
    except Exception as e:
        print("-----1------")
        current_app.logger.error(e)
        print("------1-----")

    #查询日新增数
    day_count = 0
    try:
        day_begin = "%d-%02d-%02d" % (now.tm_year,now.tm_mon,now.tm_mday)

        day_begin_date = datetime.strptime(day_begin,"%Y-%m-%d")
        day_count = User.query.filter(User.is_admin ==False,User.create_time > day_begin_date).count()
    except Exception as e:
        print("-----2------")
        current_app.logger.error(e)
        print("-----2------")

    #查询图表信息
    #获取到当天00:00:00时间

    now_date = datetime.strptime(datetime.now().strftime("%Y-%m-%d"),"%Y-%m-%d")
    #定义空列表，保存数据
    active_date = []
    active_count = []

    #依次添加数据，再反转
    for i in range(0,31):
        begin_date = now_date - timedelta(days = i)
        end_date = now_date - timedelta(days =(i-1))
        active_date.append(begin_date.strftime("%Y-%m-%d"))
        count = 0
        try:
            count = User.query.filter(User.is_admin ==False,User.last_login >=begin_date,
                                      User.last_login < end_date).count()
        except Exception as e:
            print("-----3------")
            current_app.logger.error(e)
            print("-----3------")
        active_count.append(count)

    active_date.reverse()
    active_count.reverse()

    data = {"total_count":total_count,"mon_count":mon_count,"day_count":day_count,"active_date":active_date,
            "active_count":active_count}

    return render_template("admin/user_count.html",data=data)


@admin_blu.route("/user_list")
def user_list():
    """获取用户列表"""

    #获取参数
    page = request.args.get("p",1)
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    #设置变量默认值
    users=[]
    current_page =1
    total_page=1

    #查询数据
    try:
        paginate = User.query.filter(User.is_admin ==False).order_by(User.last_login.desc()).paginate(page,constants.ADMIN_NEWS_PAGE_MAX_COUNT,False)
        users = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    #将模型列表转换成字典列表
    users_list = []
    for user in users:
        users_list.append(user.to_admin_dict())


    print(users_list)

    context = {"total_page":total_page,"current_page":current_page,"users":users_list}
    return render_template("admin/user_list.html",data = context)

@admin_blu.route("/news_review")
def news_review():
    """返回待审核新闻列表"""

    page = request.args.get("p",1)
    keywords = request.args.get("keywords", "")
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    news_list = []
    current_page = 1
    total_page = 1

    try:
        paginate = News.query.filter(News.status != 0).order_by(News.create_time.desc()).paginate(page,constants.ADMIN_NEWS_PAGE_MAX_COUNT,False)
        news_list = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    try:
        filters =[News.status != 0]
        #如果有关键词
        if keywords:
            # 添加关键词的检索选项
            filters.append(News.title.contains(keywords))
        #查询
        paginate = News.query.filter(*filters).order_by(News.create_time.desc()).paginate(page,constants.ADMIN_NEWS_PAGE_MAX_COUNT,False)
    except Exception as e:
        current_app.logger.error(e)

    news_dict_list = []
    for news in news_list:
        news_dict_list.append(news.to_review_dict())

    context = {"total_page":total_page,"current_page":current_page,"news_list":news_dict_list}
    return render_template("admin/news_review.html",data = context)

@admin_blu.route("/news_review_detail",  methods=["GET","POST"])
def news_review_detail():
    """新闻审核"""
    if request.method == "GET":
        #获取新闻id
        news_id = request.args.get("news_id")
        if not news_id:
            return render_template("admin/news_review_detail.html",data ={"errmsg":"未查询到此新闻id"})

        #获取新闻分类
        # categories =
        #通过id查询新闻
        news = None
        try:
            news = News.query.get(news_id)
        except Exception as e:
            current_app.logger.error(e)

        if not news:
            return render_template("admin/news_review_detail.html",data = {"errmsg":"未查询到此新闻内容"})



        #返回数据
        data = {"news": news.to_dict()}
        return render_template("admin/news_review_detail.html",data = data)

    #1,获取参数
    news_id = request.json.get("news_id")
    action = request.json.get("action")

    #2,判断参数
    if not all([news_id,action]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    if action not in("accept","reject"):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    news = None
    try:
        #3,查询新闻
        news = News.query.get(news_id)
    except Exception as e:
        current_app.logger.error(e)

    if not news:
        return jsonify(errno=RET.NODATA, errmsg="未查询到数据")

    #4，根据不同的状态设置不同的值
    if action =="accept":
        news.status = 0
    else:
        #拒绝通过，需要获取原因
        reason = request.json.get("reason")
        if not reason:
            return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
        news.reason = reason
        news.status = -1
    #保存到数据库
    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="数据保存失败")
    return jsonify(errno=RET.OK, errmsg="操作成功")

@admin_blu.route("/news_edit")
def news_edit():
    """返回新闻列表"""
    page= request.args.get("p",1)
    keywords = request.args.get("keywords","")

    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page =1

    news_list = []
    current_page =1
    total_page = 1

    try:
        filters = []
        #如果有关键词
        if keywords:
            #添加关键词的检索选项
            filters.append(News.title.contains(keywords))

        #查询
        paginate = News.query.filter(*filters).order_by(News.create_time.desc()).paginate(page,constants.ADMIN_USER_PAGE_MAX_COUNT)
        news_list = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)
    news_dict_list = []
    for news in news_list:
        news_dict_list.append(news.to_basic_dict())

    context = {"total_page":total_page,"current_page":current_page,"news_list":news_dict_list}
    return render_template("admin/news_edit.html",data = context)

@admin_blu.route("/news_edit_detail",methods=["GET","POST"])
def news_edit_detail():
    """新闻编辑详情"""
    if request.method == "GET":

        #获取参数
        news_id = request.args.get("news_id")
        print("news_id1:%s" % news_id)
        if not news_id:
            return render_template("admin/news_edit_detail.html",data={"errmsg":"未查询到此新闻"})

        #查询新闻
        news= None
        try:
            news = News.query.get(news_id)
        except Exception as e:
            current_app.logger.error(e)

        if not news:
            return render_template("admin/news_edit_detail.html",data={"errmsg":"未查询到此新闻"})

        #查询分类的数据
        categories = Category.query.all()
        # 移除最新分类
        categories.pop(0)

        categories_li = []
        for category in categories:
            c_dict = category.to_dict()
            c_dict["is_selected"] = False
            if category.id == news.category_id:
                c_dict["is_selected"] = True
            categories_li.append(c_dict)


        data = {"news":news.to_dict(),"categories":categories_li}
        return render_template("admin/news_edit_detail.html",data=data)



    news_id = request.form.get("news_id")
    print("news_id2:%s" % news_id)
    title = request.form.get("title")
    print("title:%s" %title)
    digest = request.form.get("digest")
    print("digest:%s" % digest)
    content = request.form.get("content")
    index_image = request.files.get("index_image")
    print("index_image:%s" %index_image)
    category_id = request.form.get("category_id")
    print("category_id:%s" % category_id)

    #1,1 判断数据是否有值
    if not all([title,digest,content,index_image,category_id,news_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    news = None
    try:
        news= News.query.get(news_id)
    except Exception as e:
        current_app.logger.error(e)
    if not news:
        return jsonify(errno=RET.NODATA, errmsg="未查询到新闻数据")

    #1.2 尝试获取图片
    if index_image:
        try:
            index_image = index_image.read()
        except Exception as e:
            current_app.logger.error(e)
            return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

        #2,将标题图片上传到七牛
        try:
            key = storage(index_image)
        except Exception as e:
            current_app.logger.eror(e)
            return jsonify(errno=RET.THIRDERR, errmsg="上传图片错误")
        news.index_image_url = constants.QINIU_DOMIN_PREFIX + key

    #3,设置相关数据
    news.title = title
    news.digest = digest
    news.content = content
    news.category_id = category_id

    #4,保存到数据库
    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
    return jsonify(errno=RET.OK,errmsg= "编辑成功")



@admin_blu.route("/news_category")
def get_news_category():
    #获取所有的分类数据
    categories = Category.query.all()
    #定义列表保存分类数据
    categories_dicts = []

    for category in categories:
        #获取字典
        cate_dict = category.to_dict()
        #拼接内容
        categories_dicts.append(cate_dict)

    categories_dicts.pop(0)
    #返回内容
    return render_template("admin/news_type.html",data = {"categories":categories_dicts})


@admin_blu.route("/add_category",methods=["POST"])
def add_category():
    """修改或者添加分类"""
    category_id = request.json.get("id")
    category_name = request.json.get("name")
    if not category_name:
        return jsonify(errno= RET.PARAMERR,errmsg="参数错误")
    #判断是否有分类id
    if category_id:
        try:
            category = Category.query.get(category_id)
        except Exception as e:
            current_app.logger.error(e)
            return jsonify(errno= RET.DBERR,errmsg="查询数据失败")

        if not category:
            return jsonify(errno=RET.NODATA, errmsg="未查询到分类信息")

        category.name = category_name
    else:
        #如果没有分类id，则是添加分类
        category = Category()
        category.name = category_name
        db.session.add(category)

    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR,errmsg="保存数据失败")
    return jsonify(errno=RET.OK,errmsg="保存数据成功")
























